/*
 * Copyright 2021 CloudWeGo Authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package loadbalance

import (
	"context"

	"github.com/cloudwego/kitex/pkg/discovery"
)

var _ Picker = &DummyPicker{}

// DummyPicker is a picker that always returns nil on Next.
type DummyPicker struct{}

// Next implements the Picker interface.
func (np *DummyPicker) Next(ctx context.Context, request interface{}) (ins discovery.Instance) {
	return nil
}
